TruSound T2Blue Audio Wireless Bluetooth Portable Speaker/Speaker Phone 360 Degree Sound - Blue Bluetooth wireless speaker works with iphone x 8, 8 plus,all apple samsung galaxy 8, notes, and edge Easy to use: Built-in rechargeable lithium-ion battery for up to 10 hours of playtime Voice-assisted pairing: Voice-confirmation when paired. Hi-fi portable bluetooth device Loud powerful sound, 360 degree stereo sound is omnidirectional, 5 watts of audio power amp 1000hz @80db. Csr 3.0 for better audio quality than 4.0. 3.0. 33 feet of range